Tissue-Tek® O.C.T.™ Compound by Sakura is a well known watersoluble compound consisting of glycols and resins. It provides an excellent specimen matrix for cryostat sectioning at temperatures below -10°C. No residues during the staining procedure.
Technovit® 4000 is a fast curing, cold polymerizing, three-component resin, which is based on a modified polyester, and it is available in the form of powder, liquid I, and syrup II. The color is white opaque.